CN219212136U

CN219212136U - Welding fixture

Info

Publication number: CN219212136U
Application number: CN202320333808.6U
Authority: CN
Inventors: 陈志明; 潘玉帝; 王祥; 陈圣星
Original assignee: Wuhu Minghao Electromechanical Equipment Co ltd
Current assignee: Wuhu Minghao Electromechanical Equipment Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-06-20
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a welding fixture, which comprises a horizontal operation plate, a vertical rotating shaft, a supporting disc, a connecting frame, a limiting mechanism and a locking mechanism, wherein the vertical rotating shaft is connected with the operation plate in a shaft mode, the supporting disc is coaxially arranged at the top of the rotating shaft, the connecting frame is fixedly connected with the rotating shaft, the limiting mechanism is arranged on the connecting frame and comprises a limiting disc which is vertically and slidably connected with the connecting frame and can be matched with the supporting disc to clamp a sheet metal part, a control rod is hinged with the connecting frame through a horizontal first hinge bolt and is connected with the limiting disc through a connecting member, a locking piece which can be detachably clamped and fixed with the control rod is fixedly arranged on the connecting frame, the limiting disc can be matched with the supporting disc in a sliding mode to clamp the sheet metal part, after corner welding of the sheet metal part is completed, the rotating shaft can be rotated only by opening the locking mechanism, and the non-welded part of the sheet metal part is rotated to the front of an operator without taking down the sheet metal part for multiple times, so that the welding work efficiency is improved.

Description

Welding fixture

Technical Field

The utility model relates to the technical field of sheet metal machining, in particular to a welding fixture.

Background

After the sheet metal is cut and bent, welding is needed to be carried out, two adjacent bending parts are welded together, and after the periphery of the sheet metal is bent, the door plate or the container manufactured by the sheet metal is welded at the corner of the sheet metal, and the two adjacent bending parts are welded together.

The utility model patent of China publication No. CN207788102U discloses a sheet metal part welding device, and an operator only needs to place a sheet metal part on a supporting seat when welding the sheet metal part, then rotates a pressing strip to enable the other end of the pressing strip to be positioned above the sheet metal part and select a position where the sheet metal part needs to be pressed and fixed, enables the other end of the pressing strip to be opposite to the pressing strip, rotates an adjusting bolt again, enables the bolt head of the adjusting bolt to descend and tightly presses the pressing strip, and enables the sheet metal part to be clamped between the pressing strip and the supporting seat.

Because the panel beating has a plurality of corners to need weld, adopts above-mentioned sheet metal component welding set, needs take off the sheet metal component many times and carries out the centre gripping again, and complex operation can reduce welding efficiency, consequently needs to design a welding fixture.

Disclosure of Invention

Aiming at the technical problems, the utility model aims to solve the problem that in the prior art, a plurality of clamping needs to be carried out again due to the fact that the parts to be welded of the sheet metal part are more.

In order to achieve the above purpose, the utility model provides a welding fixture, which comprises a horizontal operation plate, a vertical rotating shaft, a supporting plate, a connecting frame, a limiting mechanism and a locking mechanism, wherein the vertical rotating shaft is connected with the operation plate in a shaft-connecting mode, the supporting plate is coaxially arranged at the top of the rotating shaft and is positioned above the operation plate, the connecting frame is fixedly connected with the rotating shaft and is positioned above the operation plate, the limiting mechanism is arranged on the connecting frame and is positioned above the supporting plate, the locking mechanism is arranged on the lower surface of the operation plate and is used for fixing the rotating shaft, the limiting mechanism comprises a limiting plate which is vertically and slidably connected with the connecting frame and can move downwards to clamp a sheet metal part in a matching mode, and a control rod is hinged with the connecting frame through a horizontal first hinge pin and is connected with the limiting plate through a connecting member, and a locking piece which can be detachably clamped and fixed with the control rod is fixedly arranged on the connecting frame.

Preferably, the connecting component comprises a sliding arm, a guide piece and a limiting ring, wherein the sliding arm vertically slides with the connecting frame, the bottom end of the sliding arm is fixedly connected with the limiting disc, the guide piece is fixedly connected with the control rod, the limiting ring is fixedly sleeved on the sliding arm and located above the connecting frame, a first strip-shaped through groove in the same length direction is formed in the upper portion of the sliding arm in a recessed mode, a connecting bolt located above the limiting ring is arranged in the first strip-shaped through groove in a sliding mode, springs, the two ends of each spring are respectively abutted to the connecting bolt and the limiting ring, are sleeved on the sliding arm, and a second strip-shaped through groove in the same length direction as the control rod and used for the connecting bolt to slide and pass through is formed in the upper portion of the guide piece in a recessed mode.

Preferably, the control rod comprises a main rod hinged with the first hinge bolt and fixedly connected with the guide piece and a holding rod hinged with the end part of the main rod far away from the first hinge bolt through a second hinge bolt, the axis of the second hinge bolt is perpendicular to the axis of the main rod and the axis of the first hinge bolt, and the locking piece is recessed with a clamping groove for the holding rod to clamp in and the opening of the clamping groove is inclined downwards.

Preferably, the link includes middle part and pivot fixed connection's horizontal linking arm and vertical type arm of falling U, the both ends of linking arm respectively with the both ends fixed connection of type arm of falling U, stop gear and locking piece are all installed on the top of type arm of falling U.

Preferably, the connecting frame is provided with a plurality of pulleys which are in sliding connection with the operation plate.

Preferably, the lower end of the rotating shaft passes through the operation plate downwards, and the rotating wheel is coaxially and fixedly connected with the lower end of the rotating shaft.

Preferably, the locking mechanism includes a horizontal finger cylinder fixedly mounted on the lower surface of the operation plate and a pair of clamp arms respectively fixed on two output ends of the finger cylinder, and the two clamp arms are respectively located above and below the rotating wheel.

According to the technical scheme, the welding fixture provided by the utility model has the beneficial effects that: the limiting disc can slide downwards to clamp the sheet metal part with the supporting disc in a matched mode, after corner welding of the sheet metal part is finished, only the locking mechanism is required to be opened, the rotating shaft can be rotated, the welding-free part of the sheet metal part is rotated to the front of an operator, the locking mechanism is closed to fix the rotating shaft, the sheet metal part can be welded again, the sheet metal is not required to be taken down for multiple times, and the welding work efficiency is improved.

Additional features and advantages of the utility model will be set forth in the detailed description which follows; and none of the utility models are related to the same or are capable of being practiced in the prior art.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

fig. 1 is a schematic perspective view of a welding fixture according to the present utility model;

fig. 2 is a schematic diagram of a three-dimensional structure of a welding fixture according to the present utility model;

fig. 3 is a schematic three-dimensional structure of a welding fixture according to the present utility model;

fig. 4 is a schematic perspective view of a limiting mechanism of a welding fixture according to the present disclosure;

fig. 5 is a schematic partial perspective view of a limiting mechanism of a welding fixture according to the present utility model.

Description of the reference numerals

1. An operation panel; 2. a rotating shaft; 3. a support plate; 4. a connecting frame; 5. a locking mechanism; 6. a sheet metal part; 7. a limiting disc; 8. a control lever; 9. a locking member; 10. a slide arm; 11. a guide member; 12. a limiting ring; 13. a first strip-shaped through groove; 14. a connecting bolt; 15. a spring; 16. a second strip-shaped through groove; 17. a main rod; 18. a grip; 19. a connecting arm; 20. an inverted U-shaped arm; 21. a pulley; 22. a rotating wheel; 23. a finger cylinder; 24. and a clamping arm.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

In the present utility model, unless otherwise indicated, terms such as "upper, lower, inner, outer" and the like are used merely to denote orientations of the term in a normal use state or are commonly understood by those skilled in the art, and should not be construed as limitations of the term.

As shown in fig. 1-5, a welding fixture comprises a horizontal operation plate 1, a vertical rotating shaft 2 connected with the operation plate 1 in a shaft-connecting mode, a supporting plate 3 coaxially installed at the top of the rotating shaft 2 and located above the operation plate 1, a connecting frame 4 fixedly connected with the rotating shaft 2 and located above the operation plate 1, a limiting mechanism installed on the connecting frame 4 and located above the supporting plate 3, and a locking mechanism 5 installed on the lower surface of the operation plate 1 and used for fixing the rotating shaft 2, wherein the limiting mechanism comprises a limiting plate 7 connected with the connecting frame 4 in a vertically sliding mode and capable of moving downwards to clamp a sheet metal part 6 in a matched mode with the supporting plate 3, and a control rod 8 hinged with the connecting frame 4 through a horizontal first hinge bolt and connected with the limiting plate 7 through a connecting member, and a locking piece 9 capable of being detachably clamped and fixed with the control rod 8 is fixedly installed on the connecting frame 4.

When the sheet metal part 6 needs to be welded, the control rod 8 is held to rotate upwards, the control rod 8 drives the limit disc 7 to vertically slide upwards through the connecting component to be separated from the support disc 3, the sheet metal part 6 is horizontally placed on the support disc 3, the control rod 8 is held to rotate downwards, the control rod 8 drives the limit disc 7 to vertically slide downwards to be abutted against the sheet metal part 6 through the connecting component, the control rod 8 and the locking piece 9 are fixed, the sheet metal part 6 is clamped by the support disc 3 and the limit disc 7, the rotating shaft 2 is fixed through the locking mechanism 5, after one side of the sheet metal part 6 is welded, when other parts of the sheet metal part 6 need to be welded, the locking mechanism 5 is opened, the rotating shaft 2 can be rotated, the connecting frame 4 is pushed to drive the rotating shaft 2 to rotate, the part to be welded of the sheet metal part 6 faces an operator, and the rotating shaft is fixed through the locking mechanism 5, so that the sheet metal part 6 is welded.

The connecting component comprises a sliding arm 10, a guide piece 11 and a limiting ring 12, wherein the sliding arm 10 is vertically sliding with the connecting frame 4, the bottom end of the sliding arm is fixedly connected with the limiting disc 7, the guide piece 11 is fixedly connected with the control rod 8, the limiting ring 12 is fixedly sleeved on the sliding arm 10 and is positioned above the connecting frame 4, a first strip-shaped through groove 13 in the same length direction is recessed in the upper portion of the sliding arm 10, a connecting bolt 14 positioned above the limiting ring 12 is arranged in the first strip-shaped through groove 13 in a sliding manner, springs 15, the two ends of which are respectively in contact with the connecting bolt 14 and the limiting ring 12, are sleeved on the sliding arm 10, and a second strip-shaped through groove 16 in the same length direction with the control rod 8 and used for the connecting bolt 14 to slide and pass through is recessed on the guide piece 11.

When the sheet metal part 6 needs to be taken down, the control rod 8 is separated from the locking piece 9, the spring 15 can push the connecting bolt 14 to vertically slide upwards to the top of the first strip-shaped through groove 13, the connecting bolt 14 can drive the control rod 8 to rotate upwards through the guide piece 11, the connecting bolt 14 slides to the top of the first strip-shaped through groove 13, the control rod 8 needs to be manually pushed upwards, the control rod 8 drives the connecting bolt 14 to continuously slide upwards through the guide piece 11, the connecting bolt 14 can slide in the second strip-shaped through groove 16 while sliding upwards, and the connecting bolt 14 continuously drives the limiting disc 7 to move upwards through the sliding arm 10, so that the sheet metal part 6 is taken down from the supporting disc 3.

When the sheet metal part 6 is placed on the supporting disc 3, the control rod 8 is held to rotate downwards, the guide piece 11 drives the connecting bolt 14 to move downwards, the sliding arm 10 and the limiting disc 7 move vertically downwards, when the limiting disc 7 contacts the sheet metal part 6, the control rod 8 is held to rotate downwards continuously, the connecting bolt 14 slides vertically downwards in the first strip-shaped through groove 13, the spring 15 is further compressed, the lower end of the spring 15 can give downward pressure to the limiting ring 12, the limiting ring 12 transmits the pressure to the limiting disc 7 through the sliding arm 10, the sheet metal part 6 is pressed and held, and finally the control rod 8 and the locking piece 9 are fixed together.

The control rod 8 comprises a main rod 17 hinged with the first hinge bolt and fixedly connected with the guide piece 11, and a holding rod 18 hinged with the end part of the main rod 17 far away from the first hinge bolt through a second hinge bolt, the axis of the second hinge bolt is perpendicular to the axis of the main rod 17 and perpendicular to the axis of the first hinge bolt, and a clamping groove for clamping the holding rod 18 and enabling the opening to incline downwards is recessed in the locking piece 9.

When the control rod 8 needs to be fixed, the control rod 8 rotates downwards and simultaneously rotates the holding rod 18 around the second hinge bolt far away from the locking piece 9, when the height of the holding rod 18 is lower than the opening of the clamping groove, the holding rod 18 is held to rotate around the second hinge bolt, the holding rod 18 moves to the position right below the opening of the clamping groove, the holding rod 18 is loosened, the spring 15 can push the control rod 8 to rotate upwards, and the holding rod 18 can be clamped into the clamping groove, so that the control rod 8 is fixed.

The connecting frame 4 comprises a horizontal connecting arm 19 and a vertical inverted U-shaped arm 20, the middle part of the horizontal connecting arm is fixedly connected with the rotating shaft 2, two ends of the connecting arm 19 are fixedly connected with two ends of the inverted U-shaped arm 20 respectively, and the limiting mechanism and the locking piece 9 are both arranged at the top end of the inverted U-shaped arm 20.

The enclosed area surrounded by the connecting arm 19 and the inverted U-shaped arm 20 is the space where the sheet metal part 6 is placed, and the sheet metal part 6 needs to pass through the inner side of the inverted U-shaped arm 20 to be placed on the supporting disk 3.

The connecting frame 4 is provided with a plurality of pulleys 21 which are in sliding connection with the operation plate 1.

The pulley 21 can provide a supporting force for the link 4, and can prevent the link 4 from being deformed in a skew manner.

The lower extreme of pivot 2 passes operation panel 1 downwards, and the coaxial fixedly connected with runner 22 of lower extreme of pivot 2, runner 22 are convenient for manual rotation pivot 2.

The locking mechanism 5 includes a horizontal finger cylinder 23 fixedly mounted on the lower surface of the operation panel 1 and a pair of clamp arms 24 respectively fixed to both output ends of the finger cylinder 23, the two clamp arms 24 being located above and below the rotating wheel 22, respectively.

When the rotating shaft 2 needs to be fixed, two output ends of the finger air cylinder 23 are close to each other, the two clamping arms 24 are close to each other to clamp the rotating wheel 22, and the rotating shaft 2 is fixed by clamping the rotating wheel 22; when the rotating shaft 2 needs to be rotated, the two output ends of the finger air cylinder 23 are away from each other, the two clamping arms 24 are away from each other, the rotating wheel 22 is loosened, and the rotating shaft 2 can be driven to rotate by holding the rotating wheel 22.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims

1. The utility model provides a welding fixture, its characterized in that, welding fixture includes horizontal operation board (1), with vertical pivot (2) of operation board (1) coupling, coaxial line install at pivot (2) top and be located supporting disk (3) of operation board (1) top, with pivot (2) fixed connection and be located link (4) of operation board (1) top, install on link (4) and be located the stop gear of supporting disk (3) top and install locking mechanism (5) that are used for fixed pivot (2) at operation board (1) lower surface, stop gear includes limit disk (7) with link (4) vertical sliding connection and can the cooperation of downwardly moving with supporting disk (3) clamp sheet metal component (6) and articulated and be connected with limit disk (7) through connecting piece's first articulated bolt, fixed mounting has locking piece (9) that can be separated joint fixed with control rod (8) on link (4).

2. The welding fixture according to claim 1, wherein the connecting member comprises a sliding arm (10) vertically sliding with the connecting frame (4) and fixedly connected with the limiting disc (7) at the bottom end, a guide piece (11) fixedly connected with the control rod (8) and a limiting ring (12) fixedly sleeved on the sliding arm (10) and positioned above the connecting frame (4), a first strip-shaped through groove (13) in the same length direction is recessed at the upper part of the sliding arm (10), a connecting bolt (14) positioned above the limiting ring (12) is arranged in the first strip-shaped through groove (13) in a sliding manner, a spring (15) with two ends respectively abutting against the connecting bolt (14) and the limiting ring (12) is sleeved on the sliding arm (10), and a second strip-shaped through groove (16) in the same length direction with the control rod (8) and allowing the connecting bolt (14) to slide through is recessed on the guide piece (11).

3. A welding fixture as claimed in claim 2, wherein the control lever (8) comprises a main lever (17) hinged to the first hinge pin and fixedly connected to the guide member (11), and a holding lever (18) hinged to the main lever (17) away from the end of the first hinge pin through a second hinge pin, the axis of the second hinge pin is perpendicular to the axis of the main lever (17) and perpendicular to the axis of the first hinge pin, and the locking member (9) is recessed with a clamping groove for the holding lever (18) to clamp in and the opening of the locking member is inclined downward.

4. The welding fixture according to claim 1, wherein the connecting frame (4) comprises a horizontal connecting arm (19) and a vertical inverted-U-shaped arm (20), the middle part of the connecting arm is fixedly connected with the rotating shaft (2), two ends of the connecting arm (19) are respectively fixedly connected with two ends of the inverted-U-shaped arm (20), and the limiting mechanism and the locking piece (9) are both arranged at the top end of the inverted-U-shaped arm (20).

5. A welding fixture as claimed in claim 1, wherein the connecting frame (4) is provided with a plurality of pulleys (21) slidably connected to the operating plate (1).

6. The welding fixture as claimed in claim 1, wherein the lower end of the rotating shaft (2) passes through the operation plate (1) downwards, and the lower end of the rotating shaft (2) is coaxially and fixedly connected with a rotating wheel (22).

7. A welding fixture as claimed in claim 6, wherein the locking mechanism (5) comprises a horizontal finger cylinder (23) fixedly mounted on the lower surface of the operation plate (1) and a pair of clamp arms (24) respectively fixed to both output ends of the finger cylinder (23), the two clamp arms (24) being located above and below the rotating wheel (22), respectively.